board: mako: reduce the minimum backlight value to 0x01.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
sound control: wip: change mic gain register

Signed-off-by: Paul Reioux <reioux@gmail.com>
Makefile: update flags
Enable SOUND_CONTROL_HAX_3

Signed-off-by: ayysir <dresadd09691@gmail.com>